 | | Journal (article/letter/editorial) |
| retention of primordial noble gases in the Pesyanoe meteorite* R. K. DIZFRESSE l... I. 1 XTRO1)CC:TIOS ~I’RsY.ixoE is a stone meteorite of debatable classification (most recently classed...DUFRESNEand EDWARDANDERS STAUFFER (1960), shows that Pesyanoe is not a freak, for other meteorites have been...for possible candidates in Pesyanoe. Previous examinations of the meteorite by KUPLETSKY and OSTROVSKY...if present at all. The major fraction of the meteorite is enstatite. KUPLETSKY and OSTROVSKY report also |
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| UNUSUAL WEATHERING PRODUCTS OF OLDHAMITE PARENTAGE IN THE NORTON COUNTY ENSTATITE ACHONDRITE Aklhlko...suggest that these minerals formed by weathering of oldhamite (CaS), which we found to occur in Norton County...in the terrestrial environment, hydrolysis of oldhamite is the most important first step in the weathering...weathering sequence in the terrestrial environment of oldhamite • portlandite • vaterite • calcite. The mineral...weathering environment of Norton County). INTRODUCTION Oldhamite is found only in enstatite chondrites and enstatite |
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| components in clasts and separates of the Abee meteorite J o h n F. W a c k e r 1 and Kurt Marti 2 I Department...2,9 NM was found to contain < 2% FeNi metal. Oldhamite (CaS) was probably partially dissolved during...procedure. We were unable to determine the degree of oldhamite loss due to its low - 0.1% abundance in 2,2 [6]...in niningerite [(Mg,Fe)S], and, most likely, oldhamite. An aliquant, sample 2,2,9 CU, was taken for noble...correlation between the concentration of 4He and oldhamite. Clast 3,1 had the highest 4He concentration and |
 | | Journal (article/letter/editorial) |
| and the presencteof sinoite indicate that the meteorite was formed under strongly reducing conditions...conditions. However, among the various stone meteorite classes are two which were formed in an even higher...the meteorite aa a veined crystalline chondrite: htwwver. Xf,4sow (I!~i-li listed the meteorite properly...st.andards to determinr thcl graphite in t,he meteorite. The quantitative data. were corrected for wavelength...assemblage (Tr--troilite, Daub.--daubreelite, Old-oldhamite, Fe alab--ferro alabandite, NiFe-metallic nickel-iron |
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| different meteorite phases. Differences in element distribution between different meteorite types are...ANDERS(1962) record the presence of MgS in the Pesyanoe meteorite, an enstatite achondrite. This phase was...interesting, since troilite, oldhamite and daubreelite are present in the meteorite, indicating very low mutual...meteorites. The occurrence of MgS in the Pesyanoe meteorite suggests that this mineral should be looked...analysed the different phases of the Sikhote-Alin meteorite for magnesium and found less than O~OOl”/oin the |
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| nuclear events preceding the formation of the meteorite parent bodies (KATCOFF et al., 1951; SUESS and...of the meteorites. EXPERIMENTAL Meteorites The meteorite samples used in this work were obtained on a gift...supernova outbursts), and the cooling of the meteorite parent bodies to low enough temperatures to allow...the following institutions. ~01~~~. ~4meri~an Meteorite Museum, Sedona, Srizona. Brzcderheim, (B137),...tellurium and uranium in meteorites-I iodine in this meteorite is located in very fine grains, or in phases easily |
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| Minerals or entirely chalcophile (being present in oldhamite, probably in troilite, and sometimes as the sulfide...range and mean of Mn content in individual stone meteorite classes, refer also to [46]. Gmelin Handbock Mn...average weighted Mn content in individual stone meteorite classes (accompanied by a discussion of the results...mean Mn content for the individual parts of a meteorite is given as 300 ppm for the pure meta! (nickel-iron)...from the Aidyrlinskii ore field, Southern Urats, Russia [7]. Tabular dark gray grains with a metallic Luster |
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| preserved on heat-treating or forging of specific meteorite specimens, so in most cases recognition of altered...ablation and corrosion crust is different when the meteorite has been reheated by man (Rasgata specimens of...meteorites (Bacubirito). Preservation on an iron meteorite of the ...heating is the best guarantee that the meteorite was never maltreated. On an older iron the corrosion products... structures reflecting the early history of the meteorite and those produced during atmospheric passage |
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| 689-690. SOME OBSERVATIONS ON THE MECHANISM OF METEORITE CONCENTRATION IN VICTORIA LAND. ANTARCTICA John...appeared to meet the established criteria for meteorite concentration. Since this field exhibited a step-like...ablation might not be of primary importance in meteorite accumulation. It is suggested that the Allan Hills...Hills region is an important area of meteorite concentration because it is suitably placed relative to... Chernogolovka. Moscow Region, VSSR The Elga meteorite (was found 1959 in Yakutia) belongs to a relatively |
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| tektites, photographs, a: 864-855 Ablation rate iron meteorite “Thule”, 25: 98 Absolute abundance of the chromium...Bruderheim meteorite, 26: 6132 aubrite, Bishopville, 29: 1085-1099 cosmic-ray, Bruderheim meteorite, 26: 662...Also, Bogou, other meteorites, 29: 1327 Alabama meteorite, Felix, carbonaceous chondrite, 24: 70-82 pelecypod... cobalt in, 22: 28 Alabandite, in Abeo stony meteorite, X-ray diffraction pattern, 21: 133 in enstatite...meteorites, 29: 1143 ferrmagnesian, in Norton Co. meteorite, 27: 941, 943, 944 Alanine in clam shells, 21: |
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| Geochemistry and Analytical Chemistry, Moscow 117975, Russia (nazarov@ geokhim). Introduction: Here we report...(Dhofar 007) and noncumulated (NWA 011). Results: A meteorite shower, 37 pieces weighing a total of 21,270 g...REE pattern supports a cumulate type of this meteorite also. At the other side the data of NWA 011 are...REE pattern supports a noncumulate type of this meteorite. Thus, these two meteorites belong to different...local materials and not from a widespread mix of meteorite types. From these observations we infer that the |
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| resulted, their recovery, and the history of meteorite studies since the time when it was established...1.1. Thunderstones and the Origins of Modern Meteorite Research 1.2. The Early Nineteenth Century 1.3...Minerals Meteorite Falls and Associated Phenomena 2.1 Introduction 2.2. Non-Crater-Forming Meteorite Falls...Falls 2.2.1. The Phenomena of Meteorite Falls 2.2.2. The Scatter Ellipse 2.2.3. Morphology and the Fusion...2.2.4. Meteorite Recovery 2.2.5. Terrestrial Ages of Meteorite Finds 2.3. Explosive Meteorite Craters |
 | | Book |
| provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers...during the past decade regarding problems of meteorite origin and classification. A complete list would |
 | | Book |
| provide an introduction to meteorite science and a handbook on meteorite classification. Insofar as I...These chapters would have been useful chiefly to meteorite researchers looking for a quick summary of group...quantitative meteorite studies declined during 1970-1973 as a result of the diversion of meteorite researchers'...efforts to the study of lunar samples. The rate of meteorite research activity is now increasing as researchers...during the past decade regarding problems of meteorite origin and classification. A complete list would |
 | | Book |
| grains (Hoppe et al., 1995) from the Murchison meteorite are compared to astronomical measurements of the...bulk samples of SiC extracted from the Murchison meteorite. Isotopic ratios are relative to the reference...result of isotopic equilibration, either on the meteorite parent body or in the laboratory. Apparently,...circumstellar silicon carbide grains from the Murchison meteorite. Meteoritics 30, 679–693. Amari S., Lewis R. S...interstellar graphite grains from the Murchison meteorite indicate a massive star origin. Astrophys. J. |
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| revival of older subjects, celestial mechanics, meteorite research, etc., which space exploration has brought... of Mercury and Mars, which show innumerable meteorite craters of all sizes. More impressive still is...collapse and star formation. Recent developments in meteorite research have pointed to the possibility that...213 Recently, in an inclusion of the Allende meteorite, there has been found a 26Mg anomaly suggested...Rock Ages ........ 284 Meteorite Ages ........... 284 Formation Time of Meteorite Parent Bodies ...... |
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| grains (Hoppe et al., 1995) from the Murchison meteorite are compared to astronomical measurements of the...bulk samples of SiC extracted from the Murchison meteorite. Isotopic ratios are relative to the reference...result of isotopic equilibration, either on the meteorite parent body or in the laboratory. Apparently,...circumstellar silicon carbide grains from the Murchison meteorite. Meteoritics 30, 679 –693. Amari S., Lewis R....interstellar graphite grains from the Murchison meteorite indicate a massive star origin. Astrophys. J. |
